Chinese Swiss Roll

Bahan-bahan (8 porsi)

• 1/2 cup tepung kue
• 1 tablespoon kanji dr tepung jagung
• ¼ teaspoon baking powder
• 3 eggs ((separated))
• 5 tablespoons sugar ((divided, plus 1 teaspoon))
• 2 ½ tablespoons vegetable oil ((or canola oil))
• 2 tablespoons susu
• 1/3 cup cold heavy cream
• 2 tablespoons powdered sugar ((optional))